gma.sh

   1 #!/bin/bash
   2
   3 #########################################################################
   4 # This program is free software: you can redistribute it and/or modify  #
   5 # it under the terms of the version 3 of the GNU General Public License #
   6 # as published by the Free Software Foundation.                         #
   7 #                                                                       #
   8 # This program is distributed in the hope that it will be useful, but   #
   9 # WITHOUT ANY WARRANTY; without even the implied warranty of            #
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU      #
  11 # General Public License for more details.                              #
  12 #                                                                       #
  13 # You should have received a copy of the GNU General Public License     #
  14 # along with this program. If not, see <http://www.gnu.org/licenses/>.  #
  15 #                                                                       #
  16 # Written by and Copyright (C) Francois Fleuret                         #
  17 # Contact <francois.fleuret@idiap.ch> for comments & bug reports        #
  18 #########################################################################
  19
  20 set -e
  21
  22 function usage () {
  23     echo "gma.sh [--body] [--keepspam] [--subject|--from|--to|--fromto] <pattern> [<year>]"
  24 }
  25
  26 RESULT_MBOX="/tmp/gma"
  27
  28 if [[ -z "${MAIL_ARCHIVE_DIR}" ]]; then
  29     echo "Undefined \$MAIL_ARCHIVE_DIR" >&2
  30     exit 1
  31 fi
  32
  33 HEADER_ONLY="-H"
  34
  35 while [[ $1 ]]; do
  36
  37     case $1 in
  38
  39         "--help"|"-h")
  40             usage
  41             exit 0
  42             ;;
  43
  44         "--body")
  45             HEADER_ONLY=""
  46             ;;
  47
  48         "--keepspam")
  49             KEEP_SPAM=1
  50             ;;
  51
  52         "--from")
  53             RE_PREFIX="^From:.*"
  54             ;;
  55
  56         "--to")
  57             RE_PREFIX="^To:.*"
  58             ;;
  59
  60         "--fromto")
  61             RE_PREFIX="^(From|To):.*"
  62             ;;
  63
  64         "--subject")
  65             RE_PREFIX="^Subject:.*"
  66             ;;
  67
  68         *)
  69             if [[ ${PATTERN} ]]; then
  70                 # If we already have the pattern to match in the
  71                 # message, get the new argument as a pattern for the
  72                 # filename
  73                 if [[ ${FILE_PATTERN} ]]; then
  74                     usage
  75                     exit 1
  76                 else
  77                     FILE_PATTERN="${MAIL_ARCHIVE_DIR}/${1}/*/*"
  78                     SIZE_FILE_PATTERN="${MAIL_ARCHIVE_DIR}/${1}"
  79                 fi
  80             else
  81                 PATTERN=$1
  82             fi
  83             ;;
  84     esac
  85     shift
  86 done
  87
  88 if [[ -z "${PATTERN}" ]]; then
  89     usage
  90     exit 1
  91 fi
  92
  93 [[ ${FILE_PATTERN} ]] || FILE_PATTERN="${MAIL_ARCHIVE_DIR}/*/*/*"
  94 [[ ${SIZE_FILE_PATTERN} ]] || SIZE_FILE_PATTERN="${MAIL_ARCHIVE_DIR}"
  95
  96 SIZE=$(\dus ${SIZE_FILE_PATTERN} | cut -f 1 -d" ")
  97
  98 echo "Looking for ${RE_PREFIX}${PATTERN}"
  99 echo "        in ${FILE_PATTERN}"
 100 echo "        writing result in ${RESULT_MBOX}"
 101
 102 if [[ ${KEEP_SPAM} ]]; then
 103
 104     cat ${FILE_PATTERN} \
 105         | pv -s ${SIZE} -p -t -e - \
 106         | mboxgrep ${HEADER_ONLY} -i "${RE_PREFIX}${PATTERN}" > ${RESULT_MBOX}
 107
 108 else
 109
 110     cat ${FILE_PATTERN} \
 111         | pv -s ${SIZE} -p -t -e - \
 112         | mboxgrep ${HEADER_ONLY} -i "${RE_PREFIX}${PATTERN}" \
 113         | mboxgrep ${HEADER_ONLY} -v '^Subject:.*SPAM' > ${RESULT_MBOX}
 114
 115 fi
 116
 117 echo "Found "$(grep ^"From " ${RESULT_MBOX} | wc -l)" messages."